24 HUMAN PHYSIOLOGY CHAP. 



2. Cheese is a valuable food, but cannot be easily 

 changed into blood. It should be eaten in small quanti- 

 ties only. 



3. Meats form a most valuable article of diet. They 

 are the most easily digested of all the proteids if eaten 

 in small quantities, and are very nutritious. There is 

 danger of eating more meat than is necessary to supply 

 the blood with tissue-building foods. Beef, fish, mut- 

 ton, lamb, veal, pork, poultry, and game are among the 

 most common meats. 



4. Eggs contain all the important food stuffs except 

 carbohydrate, and may be eaten in place of meats 

 occasionally. They are easily digested, if properly pre- 

 pared, and are very nutritious. 



5. Butter is the fat of milk, and forms a digestible 

 and very palatable food. Bread and butter form an 

 excellent food. 



29. Vegetable Foods. From the plant world we get 

 a great variety of articles of diet, many of which are 

 very valuable. 



i. The cereals supply us with bread, rice, and the 

 many breakfast foods so commonly used at present. 

 Wheat bread is probably the most widely used as well 

 as the most important of this class, as it contains all of 

 the food stuffs except fat. Some one has called bread 

 "the staff of life," and when butter is added they to- 

 gether form "the gold-headed cane." Rice, you know, 

 is the food most used in China. With proteids and fats 

 it would give nearly as much nourishment as bread and 

 butter. Malt, barley, wheat, and other cereals, prepared 



